774740 has 12 divisors (see below), whose sum is σ = 1626996. Its totient is φ = 309888.

The previous prime is 774733. The next prime is 774757. The reversal of 774740 is 47477.

774740 = 13² + 14² + ... + 132².

774740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 163216 + 611524 = 404^2 + 782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19349 + ... + 19388.

It is an arithmetic number, because the mean of its divisors is an integer number (135583).

2⁷⁷⁴⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

774740 is an abundant number, since it is smaller than the sum of its proper divisors (852256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

774740 is a wasteful number, since it uses less digits than its factorization.

774740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38746 (or 38744 counting only the distinct ones).

The product of its (nonzero) digits is 5488, while the sum is 29.

The square root of 774740 is about 880.1931606187. The cubic root of 774740 is about 91.8442544477.

It can be divided in two parts, 7 and 74740, that added together give a palindrome (74747).

The spelling of 774740 in words is "seven hundred seventy-four thousand, seven hundred forty", and thus it is an iban number.